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		<title>写前端总结的小例子——Marlon</title>
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	<body>
		<label><input type="radio" value="1" name="sex" value="0"/>男</label>
		<label><input type="radio" value="1" name="sex" value="1"/>女</label>
		<label><input type="checkbox" value="1" name="sex" value="0"/>打篮球</label>
		<label><input type="checkbox" value="1" name="sex" value="1"/>下象棋</label>
		<label for="">帐号：<input type="text" placeholder="请输入帐号" /></label>
		<div style="width: 100px;height: 100px;border-radius: 50px;border:1px solid #141414;"></div>
		<div style="width: 100px;height: 60px;border: 1px solid red;">没有加边距的样式</div>
		<div style="width: 100px;height: 60px;border: 1px solid red;margin:20px 0px;">加了margin</div>
		<div style="width: 100px;height: 60px;border: 1px solid red;padding: 20px 30px">加了padding</div>
		
		<ul id="user_manu">
			<li class="u-items"><a href=""></a></li>
			<li class="u-items"><a href=""></a></li>
			<li class="u-items"><a href=""></a></li>
			<li class="u-items"><a href=""></a></li>
			<li class="u-items"><a href=""></a></li>
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